· X-Rays . X-rays can help doctors find a variety of conditions, including ____________ bones and lung infections. · Ultrasound . Though they’re typically associated with pregnancy, doctors order ultrasounds in lots of different cases. The images seen on most ultrasounds are difficult for the untrained eye to decipher, so a doctor will ____________ the image and interpret it. · Computed Tomography (CAT scan or CT-Scan) . CAT scans are a kind of X-ray, and typically are ______________ to look for things such as appendicitis, internal bleeding, or abnormal growths. A scan may require the use of a contrast material (a dye or other substance) to improve the visibility of certain tissues or blood vessels. · Magnetic Resonance Imaging (MRI) . MRIs use radio waves and magnetic fields to produce an image. MRIs are often used to look at ___________, joints, and the brain. Contrast material is sometimes given through an IV in order to get a better picture of certain structures.